package io;

import java.io.*;

public class CopyDemo3 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("000.jpg");
        BufferedInputStream bis=new BufferedInputStream(fis);
        FileOutputStream fos=new FileOutputStream("003.jpg");
        BufferedOutputStream bos=new BufferedOutputStream(fos);

        int d;
        long start=System.currentTimeMillis();
        while((d= bis.read())!=-1){
            bos.write(d);
        }
        long end=System.currentTimeMillis();
        System.out.println("复制完毕，耗时"+(end-start)+"ms");
        bos.close();
        bis.close();

    }
}
